[Zone] Zone State Automated Testing and Improvements (#4808)

* [Zone] Zone State Automated Testing and Improvements

* Spawn condition

* Update zone.cpp

* Remove redundant logic

* Update zone_state.cpp

* TestZLocationDrift

* Protect NPC resumed NPC's from being able to die

zone/zone_save_state.h

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <string>
+#include <cereal/archives/json.hpp>
+#include <cereal/types/map.hpp>
+#include "npc.h"
+#include "corpse.h"
+#include "zone.h"
+#include "../common/repositories/zone_state_spawns_repository.h"
+#include "../common/repositories/spawn2_disabled_repository.h"
+
+struct LootEntryStateData {
+	uint32   item_id     = 0;
+	uint32_t lootdrop_id = 0;
+	uint16   charges     = 0; // used in dynamically added loot (AddItem)
+
+	// cereal
+	template<class Archive>
+	void serialize(Archive &ar)
+	{
+		ar(
+			CEREAL_NVP(item_id),
+			CEREAL_NVP(lootdrop_id),
+			CEREAL_NVP(charges)
+		);
+	}
+};
+
+struct LootStateData {
+	uint32                          copper   = 0;
+	uint32                          silver   = 0;
+	uint32                          gold     = 0;
+	uint32                          platinum = 0;
+	std::vector<LootEntryStateData> entries  = {};
+
+	// cereal
+	template<class Archive>
+	void serialize(Archive &ar)
+	{
+		ar(
+			CEREAL_NVP(copper),
+			CEREAL_NVP(silver),
+			CEREAL_NVP(gold),
+			CEREAL_NVP(platinum),
+			CEREAL_NVP(entries)
+		);
+	}
+};